code: def setup_method(self):
      self.x = np.linspace(-60, 42.5, 10)
      self.y = np.linspace(30, 72.5, 7)
      self.x2d, self.y2d = np.meshgrid(self.x, self.y)
      self.u = np.cos(np.deg2rad(self.y2d))
      self.v = np.cos(2.0 * np.deg2rad(self.x2d))
      self.rp = ccrs.RotatedPole(
          pole_longitude=177.5, pole_latitude=37.5
      )
      self.pc = ccrs.PlateCarree()
      self.fig = plt.figure()
      self.ax = plt.axes(projection=self.pc)
  
file_path: cartopy/lib/cartopy/tests/mpl/test_quiver.py
imports: from unittest import mock
  import matplotlib.pyplot
  import numpy
  import pytest
  import cartopy.crs
label_desc: Use image node_id 1 for calling the TestQuiverShapes obj's underlying member method code with example usage: obj.setup_method() without return types